Linux Distros Unpatched Vulnerability : CVE-2026-22977

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which...

AZL-78449 CVE-2026-22977 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

CVE-2026-22977

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

UBUNTU-CVE-2026-22977

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

EUVD-2026-3682

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

CVE-2026-22977

CVE-2026-22977 affects the Linux kernel net: sock: fix hardened usercopy panic in sock_recv_errqueue. The issue arises when using skbuff_fclone_cache where no usercopy whitelist exists for skb.cb, causing a usercopy BUG() during put_cmsg() when copying serr->ee from skb->cb via sock_recv_er...

CVE-2026-22977 net: sock: fix hardened usercopy panic in sock_recv_errqueue

In the Linux kernel, the following vulnerability has been resolved: net: sock: fix hardened usercopy panic in sockrecverrqueue skbufffclonecache was created without defining a usercopy region, 1 unlike skbuffheadcache which properly whitelists the cb field. 2 This causes a usercopy BUG when...

PT-2026-3763

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.12.62 Description The Linux kernel contained a flaw within the networking subsystem related to usercopy handling. Specifically, the skbuff fclone cache was initialized without defining a usercopy region, unlike...

PT-2026-27664

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to Bluetooth socket destructors. When TX timestamping is enabled using the SO TIMESTAMPING option, Send Queues SKBs can accumulate in the sk err...

SUSE CVE-2022-50838

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

EUVD-2022-55860

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2022-50838

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2022-50838

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

UBUNTU-CVE-2022-50838

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2022-50838

CVE-2022-50838 concerns a Linux kernel issue in net: stream where the socket error queue (sk_error_queue) was not purged on socket close, enabling TCP socket leaks and potential memory exhaustion. The root cause involves TX timestamping and error queue handling: when SOF_TIMESTAMPING_TX_ACK is en...

CVE-2022-50838 net: stream: purge sk_error_queue in sk_stream_kill_queues()

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2022-50838 net: stream: purge sk_error_queue in sk_stream_kill_queues()

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

PT-2025-53956

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to TCP socket handling. Specifically, the sk error queue is not properly purged during socket closure, potentially leading to memory leaks and...

SUSE CVE-2023-54152

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevent deadlock by moving j1939skerrqueue This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data TP/ETP transfer and subscribing to the error queue while receiving a...

EUVD-2023-60293

In the Linux kernel, the following vulnerability has been resolved: can: j1939: prevent deadlock by moving j1939skerrqueue This commit addresses a deadlock situation that can occur in certain scenarios, such as when running data TP/ETP transfer and subscribing to the error queue while receiving a...